The latest round of World Cup qualifying saw a major increase in the number of players from MLS called in for their national teams.

A number of those decisions paid off for their countries, perhaps no one more than Clint Dempsey.

A few months ago, Dempsey wasn’t even in consideration for the U.S. after missing the latter half of last season because of a heart issue. But the Seattle Sounders forward scored four times in two matches as the U.S. gathered four critical points in CONCACAF World Cup qualifying.

Dempsey was part of an influx of MLS players contributing during the latest round of qualifying for next year’s World Cup in Russia.

In all, MLS had 55 players called in for qualifying in CONCACAF, CONEMBOL (South America) and UEFA (Europe) competitions. Last September, the league saw 58 players called in to their national teams, but there were more countries still alive in qualification at that time. The 55 players selected this time was an increase of 16 from the last round of qualifying matches in November, and 40 of the 55 saw action during the two days of competition in the past week representing 12 countries.

In the three CONCACAF games last Friday, 29 of the 84 players to see the field were from MLS. That outpaced LigaMX, which had 17 players among the 84 used in the three matches.

Dempsey wasn’t the only MLS player coming up big for his country. Minnesota midfielder Kevin Molino had the only goal for Trinidad and Tobago in its 1-0 win over Panama. The Vancouver duo of Christian Bolanos and Kendall Waston teamed for the only goal in Costa Rica’s 1-1 draw with Honduras.

But not all went well for MLS players during qualifying.

Young Atlanta star Josef Martinez injured his left leg during the second half of Venezuela’s 2-2 draw with Peru in CONEMBOL qualifying. Martinez returned to Atlanta and an MRI revealed a left quadriceps injury that will keep the MLS leader in goals scored out for four to six weeks. Martinez had five goals in Atlanta’s first three games.

U.S. midfielder Sebastian Lletget was forced off early in the match against Honduras but not before scoring the opening goal for the Americans. Los Angeles announced Tuesday that Lletget suffered a Lisfranc injury that will require surgery and he will be sidelined for four to six months.

MATCH OF THE WEEK: The club that set the bar for expansion debuts faces the newcomer looking to topple that standard.

The Seattle Sounders will host Atlanta United on Friday night. It’s the only regular-season matchup between the two sides, but there’s more than just the competition on the field.

Seattle’s expansion season of 2009 was regarded throughout the sports industry as arguably the best franchise launch ever, not just in MLS. Between ticket sales and fan engagement, Seattle’s start could not have gone better.

Atlanta might be setting a new standard. Atlanta drew more than 55,000 for its first match and more than 45,000 for its second home game, a win over Chicago. Atlanta seems to be following significant parts of Seattle’s blueprint, down to having an influential NFL owner highly involved from the start.

As for the on-field product, the validity of Atlanta’s promising start will be tested over the next month with four straight road matches.

“It’s definitely still an expansion team,” Atlanta defender Michael Parkhurst said. “We’ve got our bumps and bruises along the way. Off the field, everyone’s still trying to get sorted and situated to the new city.”

BEST OF THE REST: Toronto finally gets to come home after opening the season with three straight road games. The Reds will host Sporting KC on Friday night. The trade-off for opening the season on the road is that Toronto gets five of its next six league matches at home and was able to get five points out of those three road contests to start.

Also of note will be what kind of lineup Vancouver rolls out on Saturday night against Los Angeles. The Whitecaps play in the CONCACAF Champions League semifinals four days later.

BACK ON THE BENCH: Real Salt Lake introduced Mike Petke as its new head coach Wednesday, less than two weeks after firing Jeff Cassar. Petke was the head coach of the New York Red Bulls for two seasons, including the 2013 season when they won the Supporters’ Shield. After two years out of coaching, Petke signed on to be the head coach of the Real Monarchs, the minor-league club associated with RSL.

OFF TARGET: The other expansion debut this season by Minnesota United is on pace to set records, but not any they want to be associated with. Simply put, Minnesota can’t play defense.

Minnesota allowed at least five goals for the third time in four matches in last week’s 5-2 loss at New England. Minnesota allowed five goals to Portland and six to Atlanta and is on pace to allow more than 150 goals this season.

LAST WORD: “I’ve been very encouraged by what I’ve seen over the last 10 days. It’s going to take some time to piece that team together.” U.S. coach Bruce Arena after the latest round of World Cup qualifying.